In what way is the Spearin doctrine and shield and a sword? Group of answer choices Because Spearin is a protected affirmative defense in all jurisdictions Because Spearin does not have a statute of limitations and can be invoked at any reasonable time during litigation Because a contractor can use Spearin as a defense to the owner's claim of defective construction. Because a contractor can use Spearin to show that the project was more expensive to build than anticipated due to no fault of the contractor